混凝土钻 meaning in Chinese

concrete drill

Standard test method for obtaining and testing drilled cores of shotcrete
获取和检测喷浆混凝土钻芯的标准试验方法
Concrete drill cut engineering
混凝土钻切工程
Method of sampling and testing for compressive strength of drilled cores of concrete
混凝土钻芯压缩强度的抽样及试验方法
The bond effect of various bond material is also researched by use of the test of pored - drilled drawing bond between new and old concretes . this paper also makes a contrast with the effect of mortars " bond , which offers a meaningful reference on how to choose bond materials and to appraise the bond effect
并通过新老混凝土钻芯拉拔粘结试验，研究了不同界面粘结材料的新老混凝土粘结效果，并与其砂浆粘结试验结果进行了对比，对实际工程应用中正确选用界面粘结材料及评价粘结效果具有一定的指导意义。